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Opal Ethiopia
Opal Ethiopia

Calcite
Calcite



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Opal Ethiopia
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Calcite

Opal Ethiopia and Calcite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
Brittle
Soluble
-
2.67-2.73
Conchoidal
Perfect on [10 1 1] three directions with angle of 74° 55
3
CaCO 3Ulrich Henn and Claudio C.

Opal Ethiopia and Calcite Chemical Formula

While comparing Opal Ethiopia and Calcite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Opal Ethiopia and Calcite chemical formula.

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Opal Ethiopia and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Ethiopia and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Ethiopia Vs Calcite during the identification of gemstone. Specific gravity of Opal Ethiopia is whereas that of Calcite is .